HELP!! Script compile error

[OP-BaboonAss]

******* script compile error *******
Could not find script 'xmodelalias\head_allied': (file 'character\mp_american_airborne01.gsc', line 5)
character\_utility_mp::attachFromArray(xmodelalias \head_allied::main());


any ideas on how to fix this???

[CanadianOps]

Probably corrupt PK3.